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  • Aichi E13A (Jake) Naval Reconnaissance Floatplane Aircraft


    The Aichi E13A Jake became the most important floatplane for the Japanese Navy in World War Two.

     Updated: 6/20/2017; Authored By Staff Writer; Content ¬©www.MilitaryFactory.com


    Based on number alone, the Aichi production E13A series of floatplanes (dubbed "Jake" by the Allies) was the most important such aircraft type for the Japanese Navy during the Second World War. The system was fielded in quantity in the early 1940's and were charged with reconnoitering the American Navy based at Pearl Harbor, Hawaii, prior to the infamous December 7th attack. A tremendous design with durability and endurance to boot, the E13A would serve through the end of the war, notoriously in Kamikaze attacks on advancing American naval convoys.

    The E13A was a three-crew low-monoplane aircraft with pontoons fitted in place of traditional landing gear systems. The initial need for the floatplane stemmed from a Japanese naval requirement for a new floatplane to replace the aging Kawanishi E7K2 series. As such, offers to the Aichi, Kawanishi and Nakajima aircraft firms were made to promote a competitive trial. At the end, only a Aichi and Kawanishi design remained, with the Aichi design getting the go ahead. A prototype was then produced and ordered into production after 1940.


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    Aichi E13A1a (Jake) Technical Specifications


    Service Year: 1941
    Type: Naval Reconnaissance Floatplane Aircraft
    National Origin: Imperial Japan
    Manufacturer(s): Aichi - Japan
    Production Total: 1,418



    Structural (Crew Space, Dimensions and Weights)


    Operating Crew: 3
    Length: 37.07 feet (11.3 meters)
    Width: 47.57 feet (14.50 meters)
    Height: 15.42 feet (4.70 meters)

    Weight (Empty): 5,825 lb (2,642 kg)
    Weight (MTOW): 8,818 lb (4,000 kg)

    Installed Power and Standard Day Performance


    Engine(s): 1 x Mitsubishi Kinsei 43 14-cylinder radial piston engine developing 1,080 horsepower.

    Maximum Speed: 234 mph (377 kph; 204 knots)
    Maximum Range: 1,298 miles (2,089 km)
    Service Ceiling: 28,642 feet (8,730 meters; 5.42 miles)

    Armament / Mission Payload


    1 x 20mm cannon (in downward-firing ventral position)
    1 x 7.7mm machine gun (in rear cockpit position)

    Maximum external bomb loadout (bombs or depth charges) of 551 lbs.

    Global Operators / Customers


    Imperial Japan

    Model Variants (Including Prototypes)


    E13A - Base Series Designation

    E13A1 - Designation covers prototype models and initial production models.

    E13A1a - Improved communications equipment; Redesigned float pontoons.

    E13A1a-S - Night Flyer Conversion Model

    E13A1b - Based on the E13A1a model but fitted with an Air-Surface radar system.

    E13A1b-S - Night Flyer Conversion Model of the E13A1b model.

    E13A1c - Anti-Ship Model; fitted with downward-firing 20mm cannon.

    E13A1-K - Dual-Control Trainer Model